256054755 has 48 divisors (see below), whose sum is σ = 456890112. Its totient is φ = 122337600.

The previous prime is 256054753. The next prime is 256054769. The reversal of 256054755 is 557450652.

It is not a de Polignac number, because 256054755 - 2¹ = 256054753 is a prime.

It is a super-2 number, since 2×256054755² = 131128075116220050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (256054753) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127872 + ... + 129858.

It is an arithmetic number, because the mean of its divisors is an integer number (9518544).

Almost surely, 2^256054755 is an apocalyptic number.

256054755 is a deficient number, since it is larger than the sum of its proper divisors (200835357).

256054755 is a wasteful number, since it uses less digits than its factorization.

256054755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088 (or 2077 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 39.

The square root of 256054755 is about 16001.7110022647. The cubic root of 256054755 is about 635.0056874271.

The spelling of 256054755 in words is "two hundred fifty-six million, fifty-four thousand, seven hundred fifty-five".